fix: `webContents.printToPDF` option plumbing (#35992)

fix: contents.printToPDF option plumbing

Co-authored-by: Shelley Vohr <[email protected]>

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Shelley Vohr <[email protected]>

lib/browser/api/web-contents.ts

@@ -173,13 +173,13 @@ WebContents.prototype.printToPDF = async function (options) {
     headerTemplate: '',
     footerTemplate: '',
     printBackground: false,
-    scale: 1,
+    scale: 1.0,
     paperWidth: 8.5,
-    paperHeight: 11,
-    marginTop: 0,
-    marginBottom: 0,
-    marginLeft: 0,
-    marginRight: 0,
+    paperHeight: 11.0,
+    marginTop: 0.0,
+    marginBottom: 0.0,
+    marginLeft: 0.0,
+    marginRight: 0.0,
     pageRanges: '',
     preferCSSPageSize: false
   };
@@ -209,7 +209,7 @@ WebContents.prototype.printToPDF = async function (options) {
     if (typeof options.scale !== 'number') {
       return Promise.reject(new Error('scale must be a Number'));
     }
-    printSettings.scaleFactor = options.scale;
+    printSettings.scale = options.scale;
   }
 
   const { pageSize } = options;

shell/browser/api/electron_api_web_contents.cc

@@ -2821,12 +2821,12 @@ v8::Local<v8::Promise> WebContents::PrintToPDF(const base::Value& settings) {
       settings.GetDict().FindBool("displayHeaderFooter");
   auto print_background = settings.GetDict().FindBool("shouldPrintBackgrounds");
   auto scale = settings.GetDict().FindDouble("scale");
-  auto paper_width = settings.GetDict().FindInt("paperWidth");
-  auto paper_height = settings.GetDict().FindInt("paperHeight");
-  auto margin_top = settings.GetDict().FindIntByDottedPath("margins.top");
-  auto margin_bottom = settings.GetDict().FindIntByDottedPath("margins.bottom");
-  auto margin_left = settings.GetDict().FindIntByDottedPath("margins.left");
-  auto margin_right = settings.GetDict().FindIntByDottedPath("margins.right");
+  auto paper_width = settings.GetDict().FindDouble("paperWidth");
+  auto paper_height = settings.GetDict().FindDouble("paperHeight");
+  auto margin_top = settings.GetDict().FindDouble("marginTop");
+  auto margin_bottom = settings.GetDict().FindDouble("marginBottom");
+  auto margin_left = settings.GetDict().FindDouble("marginLeft");
+  auto margin_right = settings.GetDict().FindDouble("marginRight");
   auto page_ranges = *settings.GetDict().FindString("pageRanges");
   auto header_template = *settings.GetDict().FindString("headerTemplate");
   auto footer_template = *settings.GetDict().FindString("footerTemplate");